class Computer1 {
    public String brand;
    public String type;
    public String color;
    public double weight;
    public double length;
    public double width;

    public void writeMsg() {
        System.out.println("写文章");
    }

    public void watchVideo() {
        System.out.println("看视频");
    }

    public void playGame() {
        System.out.println("玩游戏");
    }
    public static void main(String[] args) {
        Computer computer=new Computer();
        computer.playGame();
    }
}


class Test3 {

}